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Measurement E151M2748

Experiment: EG4
Year: 2016

Experiment comment:

Final asymmetry results for the ep-> e pi+ (n) channel extracted from CLAS/EG4 data obtained using a longitudinally polarized beam and a longitudinally polarized NH3 target (CAA HS07-02).
Spokesperson: Xiaochao Zheng
Reaction: ep → π+n
Polarization: beam (longitudinal), target (longitudinal)
Quantity: ALU
εL: 0.3345
Q2: 0.1435 GeV2
W: 1355.0 GeV
Ebeam: 1.3383 GeV
ε: 0.7997

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.55 258.0 0.0626 0.2162
0.55 270.0 -0.0632 0.2163
0.65 126.0 0.2426 0.204
0.65 234.0 0.3803 0.2338
0.65 246.0 -0.0466 0.1771
0.65 258.0 -0.4786 0.1231
0.65 270.0 -0.3677 0.1611
0.75 102.0 0.1 0.2422
0.75 114.0 -0.0127 0.1862
0.75 126.0 0.5187 0.13
0.75 138.0 -0.1902 0.1979
0.75 222.0 0.2698 0.2516
0.75 234.0 0.0468 0.1706
0.75 246.0 -0.1581 0.1853
0.75 258.0 0.0322 0.1726
0.75 270.0 -0.374 0.1847
0.75 282.0 0.0245 0.2075
0.85 102.0 0.462 0.1915
0.85 114.0 -0.2676 0.1763
0.85 126.0 -0.015 0.1754
0.85 138.0 -0.1225 0.1694
0.85 150.0 0.0125 0.1969
0.85 162.0 -0.35 0.3693
0.85 234.0 -0.002 0.1948
0.85 246.0 0.0009 0.1871
0.85 258.0 -0.2228 0.1899
0.85 270.0 -0.1627 0.17
0.85 282.0 -0.1098 0.1411
0.85 294.0 0.1651 0.1791
0.95 78.0 -0.0805 0.2087
0.95 90.0 0.0941 0.216
0.95 102.0 0.0946 0.2659
0.95 126.0 0.3276 0.4119
0.95 138.0 0.0656 0.2631
0.95 150.0 0.039 0.2521
0.95 174.0 -0.2921 0.2842
0.95 234.0 -0.0396 0.2251
0.95 246.0 0.1883 0.2717
0.95 258.0 -0.5184 0.1479
0.95 270.0 -0.0285 0.2118
0.95 282.0 0.185 0.2086
0.95 294.0 0.0087 0.1889
Created in SINP MSU, CLAS Collaboration